228477684751 has 4 divisors (see below), whose sum is σ = 228478810032. Its totient is φ = 228476559472.

The previous prime is 228477684713. The next prime is 228477684761. The reversal of 228477684751 is 157486774822.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 228477684751 - 2¹¹ = 228477682703 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 228477684751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228477684761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163870 + ... + 695563.

It is an arithmetic number, because the mean of its divisors is an integer number (57119702508).

Almost surely, 2^228477684751 is an apocalyptic number.

228477684751 is a deficient number, since it is larger than the sum of its proper divisors (1125281).

228477684751 is an equidigital number, since it uses as much as digits as its factorization.

228477684751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125280.

The product of its digits is 42147840, while the sum is 61.

The spelling of 228477684751 in words is "two hundred twenty-eight billion, four hundred seventy-seven million, six hundred eighty-four thousand, seven hundred fifty-one".